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Chapter 2
Cisco CMTS Configuration Commands
cable upstream hopping blind
To override hop decisions, use the cable upstream hopping blind command in cable interface
configuration mode. To stop blind hopping, enter the no form of this command.
Syntax Description
n
Defaults
Disabled (hopping is optimized)
Command Modes
Interface configuration (cable interface only)
Command History
Release
12.0(7)XR2
Usage Guidelines
Enter this command to override the hardware spectrum manager's decision to optimize hopping.
Do not use this command unless you have a specific reason to disable optimum hopping configurations.
Note
For example, if you are experimenting with a Cisco uBR-MC16S or Cisco uBR-MC5X20S/U card, you
can use this command to enforce blind hopping on individual upstream channels.
Examples
The following example shows how to specify hopping blind on the upstream port 0:
router(config-if)# cable upstream 0 hopping blind
Related Commands
Command
cable monitor
cable spectrum-group (global
configuration)
cable upstream channel-width
cable upstream frequency
OL-1581-08
cable upstream n hopping blind
no cable upstream n hopping blind
Specifies the upstream port for which blind frequency hopping will be
activated. Valid values start with 0 for the first upstream port on the
cable interface line card.
Modification
This command was introduced.
Description
Configures preset modulation profiles that you can apply to one or
more upstream cable interfaces when you identify and configure
spectrum groups.
Configures spectrum management characteristics for the given
spectrum group.
Specifies the channel width of the given upstream cable interface.
Specifies the center frequency for a given upstream cable interface.
Cisco Broadband Cable Command Reference Guide
cable upstream hopping blind
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